Two-way carrier type trunk circuit



Oct. 5, 1954 w. w. PHARls 2,691,068

TWO-WAY CARRIER TYPE TRUNK CIRCUIT Filed Dec. 11, 195o 2o sheds-sheet 1 Non m, SS@ l@ \k fiar 51 Oct. 5, 1954 w. w. PHARls 2,691,063

Two-WAY CARRIER TIRE TRUNK CIRCUIT Filed Dec. II, 195o 2o sheets-sheet s H- 464 /Pc-4/ I+) 7 N-Lo-m i M* l INVENToR.

FZ7. 4 Jfwm Oct. 5, 1954 w. w. PHARls TWO-WAY CARRIER TYPE TRUNK CIRCUIT 2O Sheets-Sheet 4 Filed Dec. 1l, 1950 a 7 M 4 W mum Wf D. 7g 5 0 Z p 4 4 w x 4H fm o P 5 M M 4 H H M7 D. H620 mp4 mw w D Q my C H 5 5 L l l l s ||7 1 l l l i l n W l I l 1 l |||w\ 4 2 5 .M MN. 2F. 2/ 22 f5 n H Q r :Jl/, u 2 N C f n Oct. 5, 1954 w, W, PHARls 2,691,068

TWO-WAY CARRIER TYPE TRUNK CIRCUIT Filed Dec. l1, 1950 2O Sheets-Sheet 5 Mooll-W (/LHTOR l l l l l l l I l I I l l l l l LF i I HUH? l l i l I I l l I 5a, JKM

Oct. 5, 1954 w. w. PHARls 2,691,068

TWO-WAY CARRIER TYPE TRUNK CIRCUIT Filed Dec. ll, 1950 2O Sheets-Sheet 6 fb jf@ y W. W. PHARIS TWO-WAY CARRIER TYPE TRUNK CIRCUIT Filed Dec. 11, 1950 20 Sheets-Sheet '7 Oct. 5, 1954 w. w. PHARls TWO-WAY CARRIER TYPE TRUNK CIRCUIT 20 Sheets-Sheet 8 Filed Dec. 1l, 1950 v @50a 640:1. 650a 6Z0a, G/Oa lllllllellnllvllfll Oct. 5, 1954 W. W. PHARIS TWO-WAY CARRIER TYPE TRUNK CIRCUIT 2O Sheets-Sheet 9 Filed Dec. ll, 1950 65m, 6405 630.6 6201: e/Ob 6.5/\

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Two-WAY CARRIER TYPE TRUNK CIRCUIT Filed Dec. ll, 1950 2O Sheets-Sheet ll fr' 7a @JKM /TTOP/VEY Oct. 5, R954 w. w. PHARls TWO-WAY CARRIER TYPE TRUNK CIRCUIT Filed Dec. 11, 1959 2O Sheets-Sheet 12 mg f VH N mp p W W M u ,M w w W 0. E m j 0dr.. 5, E954 w. w. PHARls 2,691,068

Two-WAY CARRIER TYPE TRUNK CIRCUIT Filed Dec. l1, 1950 20 Sheets-Sheet l5 mun/k @//m// 25 HTTO/Q/VEY @ci 5, 954 W W, PHARE 2,691,068

TWO-WAY CARRIER TYPE TRUNK CIRCUIT Filed Deo. l1, 1950 2O Sheets-Sheet 14 7'0 /A/C. SEL. OP L//VE maf/#L INVENToR. WML/,ew W. @ew/ws f JKM Uct. 5, E954 w. w. PHARls TWO-WAY CARRIER TYPE TRUNK CIRCUIT Filed Dec. ll, 1950 20 Sheets-Sheet 16 Oct 5, 1954 w. w. PHARls 2,691,068

Two-WAY CARRIER TYPE TRUNK CIRCUIT Filed Dec. 11, 1950 2O Sheets-Sheet 17 i C'Z/ l "|`A335 l /564 l A534 ,il

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Get. 5, 1954 w. w. PHARls Two-WAY CARRIER TYPE TRUNK CIRCUIT 2O Sheets-Sheet 18l ,5 f f MM M m a e -l l HH M M j v M HE 7 M a 2 a 4 M44# 2 H b f/M M M M M M M M M MR I f A ,A 5 2 M M a a M M H Mh 3 l|||m w||i!l+ lll l l l I l Ilww MCI ../C) rlvd .r1 M MH 4 ,M/M M C .AL l -..I 2 :i 4 H 2 H 4 fr A M y n A E M H H IM IN V EN TOR. W/ /H/V l/V. 0f/HAUS 06f. 5, 1954 W W, pHARlS 2,691,068

TWO-WAY CARRIER TYPE TRUNK CIRCUIT Filed Dec. 1l, 1950 2O Sheets-Sheet 19 MON ' KEY D/HL OFF/CE F7. 15 7X/@4M Oct. 5, 1954 Filed Dec. ll, 1950 W. W. PHARIS TWO-WAY CARRIER TYPE TRUNK CIRCUIT 2O Sheets-Sheet 2O 

